A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 6620-01-177-5567
NSN 6150-01-458-4187
NSN 6135-01-386-5709
NSN 5999-01-167-7522
NSN 6650-00-885-3775
NSN 6645-00-935-7046
NSN 5920-01-365-9930
NSN 5855-00-763-2155
NSN 5895-01-219-5183
NSN 5990-01-400-3299
NSN 5835-01-431-6877
NSN 5965-01-030-7253